DE1176712B - Verfahren zur Herstellung eines Magnet-kopfes mit zwei oder mehreren zueinander parallel in Aufzeichnungstraegerlauf hinter-einanderliegenden Spalten - Google Patents

Verfahren zur Herstellung eines Magnet-kopfes mit zwei oder mehreren zueinander parallel in Aufzeichnungstraegerlauf hinter-einanderliegenden Spalten

Info

Publication number
DE1176712B
DE1176712B DEN18861A DEN0018861A DE1176712B DE 1176712 B DE1176712 B DE 1176712B DE N18861 A DEN18861 A DE N18861A DE N0018861 A DEN0018861 A DE N0018861A DE 1176712 B DE1176712 B DE 1176712B
Authority
DE
Germany
Prior art keywords
core
halves
magnetic head
columns
unit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
DEN18861A
Other languages
German (de)
English (en)
Inventor
Godefridus Johannes Manders
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of DE1176712B publication Critical patent/DE1176712B/de
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/127—Structure or manufacture of heads, e.g. inductive
    • G11B5/265—Structure or manufacture of a head with more than one gap for erasing, recording or reproducing on the same track
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/127—Structure or manufacture of heads, e.g. inductive
    • G11B5/1272—Assembling or shaping of elements
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/127—Structure or manufacture of heads, e.g. inductive
    • G11B5/133—Structure or manufacture of heads, e.g. inductive with cores composed of particles, e.g. with dust cores, with ferrite cores with cores composed of isolated magnetic particles
    • G11B5/1335—Assembling or shaping of elements
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/127—Structure or manufacture of heads, e.g. inductive
    • G11B5/187—Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to the recording medium; Pole pieces; Gap features
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/127—Structure or manufacture of heads, e.g. inductive
    • G11B5/29—Structure or manufacture of unitary devices formed of plural heads for more than one track
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/4902—Electromagnet, transformer or inductor
    • Y10T29/49021—Magnetic recording reproducing transducer [e.g., tape head, core, etc.]
    • Y10T29/49032—Fabricating head structure or component thereof
    • Y10T29/49048—Machining magnetic material [e.g., grinding, etching, polishing]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/4902—Electromagnet, transformer or inductor
    • Y10T29/49021—Magnetic recording reproducing transducer [e.g., tape head, core, etc.]
    • Y10T29/49032—Fabricating head structure or component thereof
    • Y10T29/49055—Fabricating head structure or component thereof with bond/laminating preformed parts, at least two magnetic

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)
DEN18861A 1959-09-05 1960-09-01 Verfahren zur Herstellung eines Magnet-kopfes mit zwei oder mehreren zueinander parallel in Aufzeichnungstraegerlauf hinter-einanderliegenden Spalten Pending DE1176712B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL243051 1959-09-05

Publications (1)

Publication Number Publication Date
DE1176712B true DE1176712B (de) 1964-08-27

Family

ID=19751904

Family Applications (2)

Application Number Title Priority Date Filing Date
DEN18861A Pending DE1176712B (de) 1959-09-05 1960-09-01 Verfahren zur Herstellung eines Magnet-kopfes mit zwei oder mehreren zueinander parallel in Aufzeichnungstraegerlauf hinter-einanderliegenden Spalten
DEN18858A Pending DE1140357B (de) 1959-09-05 1960-09-01 Magnetkopf

Family Applications After (1)

Application Number Title Priority Date Filing Date
DEN18858A Pending DE1140357B (de) 1959-09-05 1960-09-01 Magnetkopf

Country Status (5)

Country Link
US (1) US3237280A (enrdf_load_stackoverflow)
DE (2) DE1176712B (enrdf_load_stackoverflow)
ES (1) ES260772A1 (enrdf_load_stackoverflow)
GB (1) GB945997A (enrdf_load_stackoverflow)
NL (3) NL112518C (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3700827A (en) * 1970-01-31 1972-10-24 Nippon Electric Co Magnetic head including thin magnetic film separated by a gap spacer
US4264939A (en) * 1978-05-30 1981-04-28 Victor Company Of Japan, Limited Magnetic erasing head
US4870520A (en) * 1986-05-29 1989-09-26 Magnetic Peripherals Inc. Read/write head with side winding slot

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH252162A (de) * 1946-01-11 1947-12-15 Beka St Aubin Ag Sprechkopf an Magnettongeräten.
GB709287A (en) * 1950-08-12 1954-05-19 Klangfilm Gmbh Improvements in or relating to magnetic heads for magnetic sound recording apparatusemploying high-frequency bias
GB721755A (en) * 1951-06-08 1955-01-12 Clevite Corp Magnetic transducer head and method of making same
GB772311A (en) * 1954-01-29 1957-04-10 Ibm Magnetic transducer

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR884881A (fr) * 1941-08-15 1943-08-30 Weber Walter Procédé et dispositif d'enregistrements sonores magnétiques en vue de la reproduction stéréophonique
US2915812A (en) * 1953-04-21 1959-12-08 Rca Corp Method of constructing magnetic heads
DE1784946A1 (enrdf_load_stackoverflow) * 1955-08-25
US2967750A (en) * 1956-04-04 1961-01-10 Sonotone Corp Magnetic record transducing heads
FR1213217A (fr) * 1959-01-06 1960-03-29 Bull Sa Machines Tête magnétique multiple

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH252162A (de) * 1946-01-11 1947-12-15 Beka St Aubin Ag Sprechkopf an Magnettongeräten.
GB709287A (en) * 1950-08-12 1954-05-19 Klangfilm Gmbh Improvements in or relating to magnetic heads for magnetic sound recording apparatusemploying high-frequency bias
GB721755A (en) * 1951-06-08 1955-01-12 Clevite Corp Magnetic transducer head and method of making same
GB772311A (en) * 1954-01-29 1957-04-10 Ibm Magnetic transducer

Also Published As

Publication number Publication date
ES260772A1 (es) 1960-11-16
NL112518C (enrdf_load_stackoverflow)
GB945997A (en) 1964-01-08
DE1140357B (de) 1962-11-29
US3237280A (en) 1966-03-01
NL243051A (enrdf_load_stackoverflow)
NL243049A (enrdf_load_stackoverflow)

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